Imaging of the larynx

J A Castelijns, M W van den Brekel, V A Niekoop, G B Snow
Neuroimaging Clinics of North America 1996, 6 (2): 401-15
CT and MR imaging are the main modalities for examination of laryngeal pathology. In general, MR imaging seems to be the optimal method of examination in cooperative patients, especially for evaluation of their larynx prior to an attempted partial laryngectomy. CT is recommended in patients who may have rapid breathing or coughing or if MR imaging is contraindicated. The choice between the two modalities is also determined by the experience of the radiologist with these modalities. Both techniques are comparable in delineating site and extent of pathology in fat and muscular tissue. MR imaging is more sensitive than CT in detecting pathologic involvement of the cartilages. CT and MR imaging are helpful in characterization of cartilaginous tumors and benign lesions, such as laryngoceles and cysts. CT is used to assess the integrity of the laryngeal skeleton in patients who suffered from trauma, that is, for identification of occult fractures, dislocations of cartilages, or confirmation of suspected laryngeal injuries.

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